Browse Water Systems
20,012 public water systems in CA.
Public Water Systems Database
Browse 20,012 EPA-regulated public water systems with identifiers, population served, and water source type. Use the filters below to narrow results by state, system type, or name.
| System Name | PWSID | State | Type | Population Served |
|---|---|---|---|---|
| GORMAN ELEMENTARY SCHOOL | CA1900912 | California | Non-Transient Non-Community | 98 |
| SAND DOLLAR BEACH CSA 5 | CA4400601 | California | Community | 98 |
| GRIER MUTUAL WATER COMPANY | CA5400728 | California | Community | 98 |
| FIVE POINTS RANCH | CA1009020 | California | Community | 98 |
| WILBUR HOT SPRINGS | CA0600016 | California | Transient Non-Community | 97 |
| LONG BARN PROPERTY OWNERS | CA5500057 | California | Community | 97 |
| BIG SPRINGS MUTUAL WATER SYSTEM | CA4500027 | California | Community | 97 |
| SIKH TEMPLE MODESTO-CERES | CA5000512 | California | Transient Non-Community | 97 |
| VALLEY VIEW ESTATES MUTUAL WATER CO | CA1500569 | California | Community | 97 |
| FLRISH FARMS WS | CA2700147 | California | Non-Transient Non-Community | 97 |
| NINDES STORE | VA6099300 | California | Community | 97 |
| HUNTER VALLEY CSD | CA0800557 | California | Community | 96 |
| RED ROOSTER CAMP | CA3301544 | California | Transient Non-Community | 96 |
| Yurok - Wautec | 090600134 | California | Community | 96 |
| USFS BEARDSLEY CAMPGROUND | CA5500358 | California | Transient Non-Community | 96 |
| OCOTILLO OASIS, LLC | CA3700291 | California | Community | 96 |
| UPPER LINE CREEK IMPRVMNT ASSN | CA1000076 | California | Transient Non-Community | 96 |
| SAN CLEMENTE RANCHO WS | CA2701325 | California | Transient Non-Community | 96 |
| CASTILE CANYON SCHOOL | CA3302054 | California | Community | 96 |
| USFS-JERKEY MEADOW TRAILHEAD / UHL WC | CA5403034 | California | Transient Non-Community | 96 |
| CAL AM WATER COMPANY - RALPH LANE | CA2702004 | California | Community | 96 |
| SOUTH SANDS RV PARK | TX0040062 | California | Transient Non-Community | 96 |
| BELLEVIEW ELEMENTARY SCHOOL | CA5500137 | California | Transient Non-Community | 96 |
| CALIFORNIA CITRUS ASSOCIATION | CA5403106 | California | Non-Transient Non-Community | 96 |
| VILLA ROBLES WATER SYSTEM | CA3500929 | California | Transient Non-Community | 96 |
| GRANGER DENTAL | IN2710188 | California | Transient Non-Community | 95 |
| TUCKER OAKS EAST WATER DISTRICT | CA4500303 | California | Community | 95 |
| JEFF RUNQUIST WINERY | CA0300089 | California | Transient Non-Community | 95 |
| FRIEDMAN BROTHERS HARDWARE | CA4900812 | California | Non-Transient Non-Community | 95 |
| FOREST GLEN CAMPGROUND | CA5300112 | California | Transient Non-Community | 95 |
| CSP LABS & MICRO PARADOX | CA5105013 | California | Non-Transient Non-Community | 95 |
| MILK SPECIALTIES GLOBAL | CA5402050 | California | Non-Transient Non-Community | 95 |
| SUPER STOP | CA5403009 | California | Transient Non-Community | 95 |
| MT BROOK MOBILE HOME PARK | CA4400777 | California | Community | 95 |
| TNF-INDIAN VALLEY/ROCKY REST CG | CA4600075 | California | Transient Non-Community | 95 |
| TNF-CHAPMAN CG | CA4600081 | California | Transient Non-Community | 95 |
| MINTURN HULLER | CA2400250 | California | Transient Non-Community | 95 |
| DOMINICKS FINER FOODS #4104 | IL3137182 | California | Transient Non-Community | 95 |
| INSLEE'S TRAILER PARK | CA3600392 | California | Community | 95 |
| LITTLE RIVER INN | CA2300617 | California | Non-Transient Non-Community | 95 |
| CSP WEAVERVILLE JOSS HOUSE | CA5310300 | California | Transient Non-Community | 95 |
| TALL TIMBER TRAVEL TRAILER PARK | FL3421528 | California | Community | 95 |
| SANTIAGO RANCH | CA1502243 | California | Transient Non-Community | 95 |
| WASHINGTON RIDGE CONS CAMP | CA2910800 | California | Transient Non-Community | 95 |
| YOKOHL MUTUAL WATER CO | CA5400647 | California | Community | 95 |
| SUNSET ROAD MUTUAL WATER CO. | CA4200522 | California | Community | 95 |
| Z D WINES | CA2801056 | California | Non-Transient Non-Community | 95 |
| SUMMERHILL MHP WS | CA2700792 | California | Community | 95 |
| PINE GROVE YOUTH CONSERVATION | CA0000314 | California | Community | 95 |
| BUTANO STATE PARK - CSP | CA4110029 | California | Transient Non-Community | 95 |